Fail-Safe Blocks
Fail-Safe Systems
A5E00085588-03
8-113
8.11.3 F_LIM_TI
Function
This block compares the input variables IN, MAX and MIN. It checks whether IN is
within or outside the interval between MIN and MAX. If the lower limit (MIN) of the
interval is greater than or equal to the upper limit (MAX), the output OUT = MAX
and the outputs OUTU and OUTL are set to 1. If IN is > MAX, the upper limit has
been violated, OUT = MAX, OUTU = 1 and OUTL = 0. If IN is < MIN, the lower limit
has been violated, OUT = MIN, OUTU = 0 and OUTL = 1. If IN is between MIN and
MAX, OUT = IN, OUTU = 0 and OUTL = 0 are set.
I/Os
Name Data Type Explanation Default
Inputs:
IN F_TIME Input variable T#0 ms
MIN F_TIME Lower limit T#0 ms
MAX F_TIME Upper limit T# 24d 20h 31m 23s 647ms
Outputs:
OUT F_TIME Output variable T#0 ms
OUTU F_BOOL Upper limit violation 0
OUTL F_BOOL Lower limit violation 0
Error Handling
None
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